CVE-2020-14735 : What You Need to Know

A vulnerability in the Scheduler component of Oracle Database Server affecting multiple versions.

Understanding CVE-2020-14735

This CVE involves a critical vulnerability in Oracle Database Server's Scheduler component, impacting various versions.

What is CVE-2020-14735?

The vulnerability allows a low-privileged attacker with Local Logon privilege to compromise the Scheduler, potentially leading to a complete takeover.

The Impact of CVE-2020-14735

CVSS 3.1 Base Score: 8.8 (High impact on Confidentiality, Integrity, and Availability)
Attack Vector: Local
Attack Complexity: Low
Privileges Required: Low
Scope: Changed
User Interaction: None

Technical Details of CVE-2020-14735

A detailed look at the technical aspects of this CVE.

Vulnerability Description

The vulnerability in the Scheduler component of Oracle Database Server allows attackers to compromise the Scheduler, potentially impacting additional products.

Affected Systems and Versions

Oracle Database - Enterprise Edition 11.2.0.4
Oracle Database - Enterprise Edition 12.1.0.2
Oracle Database - Enterprise Edition 12.2.0.1
Oracle Database - Enterprise Edition 18c
Oracle Database - Enterprise Edition 19c

Exploitation Mechanism

The vulnerability can be exploited by a low-privileged attacker with Local Logon privilege to compromise the Scheduler, leading to potential system takeover.

Mitigation and Prevention

Best practices to mitigate the risks associated with CVE-2020-14735.

Immediate Steps to Take

Apply vendor-supplied patches promptly
Monitor and restrict access to the affected systems
Implement the principle of least privilege

Long-Term Security Practices

Regularly update and patch all software and systems
Conduct security training and awareness programs for staff

Patching and Updates

Oracle has released patches to address this vulnerability
Regularly check for updates and apply them to ensure system security